- General type of flora (e.g., jungle, equatorial forest, tropical scrub, savanna, desert, steppe, prairie, deciduous forest, coniferous forest, tundra)
- Types of wood
- Important species of land and marine flora
- Historical changes (e.g., introduced species), etc.
- Cultivated plants 24
- Collecting 222
- Ethnobotany 824
Outline of Cultural Materials. George P. Murdock, et al., eds. New Haven, Conn. Human Relations Area Files, Inc. 1961. xxv, 164 p.